Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical Both (A) and (B) None of these To withstand the pressure of steam inside the boiler To give maximum space and strength Both (A) and (B) None of these To withstand the pressure of steam inside the boiler To give maximum space and strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 500-600°C 700-850°C Atmospheric temperature 950-1100°C 500-600°C 700-850°C Atmospheric temperature 950-1100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Handling and maintenance should be easier Heat transfer area should be optimum Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Handling and maintenance should be easier Heat transfer area should be optimum Approach temperature should be as low as possible Stack gases should not be cooled to the dew point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam entropy remains constant Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant Steam entropy remains constant Steam pressure remains constant Steam temperature remains constant Steam enthalpy remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 1 kg/cm² 10 kg/cm² 5 kg/cm² 18 kg/cm² 1 kg/cm² 10 kg/cm² 5 kg/cm² 18 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Below dew point temperature of flue gases 100°C Above dew point temperature of flue gases Less than wet bulb temperature of flue gases Below dew point temperature of flue gases 100°C Above dew point temperature of flue gases Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
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